Haitao Yao created PIG-2917:
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Summary: SpillableMemoryManager memory leak for WeakReference
Key: PIG-2917
URL: https://issues.apache.org/jira/browse/PIG-2917
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.11
Reporter: Haitao Yao
Sine the SpillableMemoryManager subscribed the memory notifications, and hold a
weak reference of all the spillable, if there's too many weak reference and the
memory exceeds the threshold, the current code will not clear the spillable
weak references.
the details is illustrated in the attached screenshot of a MemoryAnalyzer.
So we need to clear the spillables when the memory notifications is received.
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